* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1a1f;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #80c1ff;
            text-shadow: 0 0 8px rgba(77, 166, 255, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-2 { margin-top: 2rem; }
        .p-2 { padding: 2rem; }
        .bg-dark { background-color: #1a2b33; }
        .rounded { border-radius: 10px; }
        .shadow { box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5); }
        .highlight {
            background: linear-gradient(90deg, transparent, rgba(100, 200, 255, 0.1), transparent);
            border-left: 4px solid #4da6ff;
            padding: 1rem 1.5rem;
            font-style: italic;
        }
        .site-header {
            background: linear-gradient(to bottom, #15232b, #0a1419);
            padding: 1rem 0;
            border-bottom: 2px solid #2a4d5c;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff9900, #ffcc66);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            animation: logo-glow 1s ease-in-out infinite alternate;
        }
        @keyframes logo-glow {
            from { text-shadow: 0 0 5px #ff9900; }
            to { text-shadow: 0 0 20px #ffcc66, 0 0 30px #ff9900; }
        }
        .nav-breadcrumb-wrap {
            display: flex;
            flex-direction: column;
            width: 100%;
        }
        .breadcrumb {
            padding: 0.8rem 0;
            font-size: 0.9rem;
            color: #a0c0d0;
        }
        .breadcrumb a { color: #a0c0d0; }
        .breadcrumb a:hover { color: #ffffff; }
        .breadcrumb i { margin: 0 8px; }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: #c0d0e0;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            background-color: rgba(77, 166, 255, 0.15);
            color: #80c1ff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #c0d0e0;
            cursor: pointer;
            padding: 0.5rem;
        }
        .hero {
            background: linear-gradient(rgba(15, 26, 31, 0.9), rgba(15, 26, 31, 0.9)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            padding: 4rem 2rem;
            text-align: center;
            margin-bottom: 3rem;
            border-bottom: 3px solid #2a4d5c;
        }
        .hero h1 {
            font-size: 3.5rem;
            color: #ffffff;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
        }
        .hero p {
            font-size: 1.3rem;
            color: #b0d0f0;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .search-form {
            max-width: 600px;
            margin: 2rem auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            background-color: rgba(255, 255, 255, 0.95);
            font-size: 1.1rem;
            color: #333;
        }
        .search-btn {
            padding: 1rem 2rem;
            background: linear-gradient(to right, #4da6ff, #2d87e0);
            border: none;
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #2d87e0, #1a6fc2);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            line-height: 1.8;
        }
        article h1 {
            font-size: 2.8rem;
            color: #ffcc66;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #4da6ff;
            padding-bottom: 0.5rem;
        }
        article h2 {
            font-size: 2.2rem;
            color: #80c1ff;
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a4d5c;
        }
        article h3 {
            font-size: 1.8rem;
            color: #a0d0ff;
            margin: 2.5rem 0 1rem;
        }
        article h4 {
            font-size: 1.5rem;
            color: #b0d8ff;
            margin: 2rem 0 1rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article strong {
            color: #ffcc66;
            font-weight: 700;
        }
        article em {
            color: #a0d0ff;
        }
        .article-img {
            margin: 2.5rem auto;
            max-width: 800px;
            border: 3px solid #2a4d5c;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #a0c0d0;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .info-box {
            background-color: #15232b;
            border: 2px solid #2a4d5c;
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 10px;
        }
        .info-box h3 {
            margin-top: 0;
            color: #ff9900;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: #1a2b33;
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid #2a4d5c;
        }
        .sidebar-widget h3 {
            color: #ffcc66;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2a4d5c;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .related-links li:before {
            content: '▶';
            color: #4da6ff;
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }
        .interactive-forms {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 3px solid #2a4d5c;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .form-box {
            background-color: #15232b;
            padding: 2rem;
            border-radius: 10px;
            border: 2px solid #2a4d5c;
        }
        .form-box h3 {
            color: #ffcc66;
            margin-bottom: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #b0d0f0;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            background-color: #1a2b33;
            border: 1px solid #2a4d5c;
            border-radius: 5px;
            color: #e0e0e0;
            font-size: 1rem;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffcc00;
        }
        .submit-btn {
            background: linear-gradient(to right, #4da6ff, #2d87e0);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
            width: 100%;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #2d87e0, #1a6fc2);
        }
        .site-footer {
            background-color: #0a1419;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 3px solid #2a4d5c;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffcc66;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 1rem;
            color: #a0c0d0;
            padding: 0.5rem 0;
            border-bottom: 1px dashed #2a4d5c;
        }
        friend-link:last-child {
            border-bottom: none;
        }
        friend-link a {
            color: #a0c0d0;
        }
        friend-link a:hover {
            color: #ffffff;
            padding-left: 5px;
            transition: all 0.3s;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a4d5c;
            color: #8899aa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 1rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            .main-nav {
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                display: none;
            }
            .main-nav.active {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
                margin-top: 1rem;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 1rem;
                border-radius: 5px;
                background-color: rgba(42, 77, 92, 0.5);
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
        }